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2008-03-02  Kenichi Handa  <handa@m17n.org>

	* coding.c (decode_coding_utf_8): When eol-type of CODING is
	`dos', don't decode '\r' if that is the last in the source.
	(decode_coding_utf_16, decode_coding_emacs_mule)
	(decode_coding_iso_2022, decode_coding_sjis, decode_coding_big5)
	(decode_coding_raw_text, decode_coding_charset): Likewise.
	(produce_chars): Don't decode EOL here.  Use EMACS_INT.

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2008-03-01  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_full_name): Report point size for scalable fonts.

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2008-03-01  Kim F. Storm  <storm@cua.dk>

	* dispextern.h (CHAR_GLYPH_SPACE_P): Check for default face.

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2008-03-01  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_full_name): New function.
	(w32font_open_internal): Use it.

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2008-03-01  Kim F. Storm  <storm@cua.dk>

	* dispnew.c (line_draw_cost): Fix invalid glyph check.

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2008-03-01  Jason Rumney  <jasonr@gnu.org>

	* font.c (font_unparse_fcname): Increase len when style is a symbol.

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2008-03-01  Jan Dj$(Q)Z(Brv  <jan.h.d@swipnet.se>

	* xterm.c (handle_one_xevent): For Gtk+ and ConfigureNotify, call
	xg_frame_resized when the event is for the edit widget.

	* gtkutil.h (xg_frame_resized): Renamed from xg_resize_widgets.

	* gtkutil.c (xg_resize_outer_widget): Only do one of set_geometry or
	set_char_size.
	(xg_frame_resized): Renamed from xg_resize_widgets.  Remove all
	operations on widgets here.  Just set frame size if needed.
	(flush_and_sync, x_wm_size_hint_off, xg_pack_tool_bar): New functions.
	(xg_frame_set_char_size): Call x_wm_size_hint_off before resizing.
	(x_wm_set_size_hint): Set size hints on the edit widget only, not
	the whole frame.
	(xg_create_tool_bar): Move attachement of the tool bar to
	xg_pack_tool_bar.  Do not attach the tool bar if there are no items.
	(free_frame_tool_bar): Remove call to SET_FRAME_GARBAGED.

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2008-03-01  Jason Rumney  <jasonr@gnu.org>

	* w32fns.c (w32_msg_pump): Disable debug code.

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2008-03-01  YAMAMOTO Mitsuharu  <mituharu@math.s.chiba-u.ac.jp>
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	* m/intel386.h [MAC_OSX || DARWIN]: Define NO_ARG_ARRAY if _LP64.
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2008-02-29  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (next_overlay_string): Don't set
	overlay_strings_at_end_processed_p if we're currently reading from
	a display string.

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2008-02-29  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xdisp.c (get_overlay_strings_1): Fix typo.

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2008-02-29  Chong Yidong  <cyd@stupidchicken.com>

	* xdisp.c (get_overlay_strings_1): Add missing argument type.

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2008-02-28  Kenichi Handa  <handa@ni.aist.go.jp>

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	* ftfont.c (ftfont_match): Explicitly set pixelsize in pattern.

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	* xdisp.c (display_mode_element): Cancel the previous change.
	(decode_mode_spec): Likewise.
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	(handle_auto_composed_prop): Don't make composition if it->string
	is a string.
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2008-02-27  Kim F. Storm  <storm@cua.dk>

	* lisp.h (GLYPH): Change type from int to struct with separate char
	and face_id members.
	(GLYPH_MASK_FACE, GLYPH_MASK_CHAR): Delete macros.
	(GLYPH_CHAR, GLYPH_FACE): Remove slow versions with frame arg.
	(FAST_GLYPH_CHAR, FAST_GLYPH_FACE): Rename macros to ...
	(GLYPH_CHAR, GLYPH_FACE): ... these.  Change users.
	(FAST_MAKE_GLYPH, MAKE_GLYPH): Remove.  Rewrite users to use ...
	(SET_GLYPH, SET_GLYPH_CHAR, SET_GLYPH_FACE): ... these macros instead.
	(GLYPH_CODE_CHAR, GLYPH_CODE_FACE, GLYPH_CODE_P)
	(GLYPH_CODE_CHAR_VALID_P, SET_GLYPH_FROM_GLYPH_CODE): New macros to
	handle new Lisp glyph code encoding, either an integer or a cons.

	* disptab.h (GLYPH_SIMPLE_P): Rewrite.
	(GLYPH_ALIAS): Delete.
	(GLYPH_ALIAS_P, GLYPH_FOLLOW_ALIASES): Rewrite.
	(GLYPH_LENGTH, GLYPH_STRING): Use GLYPH_CHAR.
	(GLYPH_FROM_CHAR): Replace macro by ...
	(SET_GLYPH_FROM_CHAR): ... this macro.  Change users.

	* dispextern.h (CHAR_GLYPH_SPACE_P): Simplify.
	(GLYPH_FROM_CHAR_GLYPH): Replace macro by ...
	(SET_GLYPH_FROM_CHAR_GLYPH): ... this macro.  Change users.
	(GLYPH_INVALID_P): New macro.
	(spec_glyph_lookup_face): Update prototype.

	* dispnew.c (line_draw_cost): Adapt to new glyph type.
	(build_frame_matrix_from_leaf_window): Adapt to new glyph type and
	new glyph code encoding.
	(spec_glyph_lookup_face): No return value; update passed glyph instead.
	(init_display): Use SET_CHAR_GLYPH to initialize space_glyph.

	* xdisp.c (get_next_display_element, next_element_from_display_vector):
	Adapt to new glyph type and new glyph code encoding.

	* term.c (encode_terminal_code, produce_special_glyphs): Likewise.

	* indent.c (current_column, current_column_1, Fmove_to_column)
	(compute_motion): Adapt to new glyph code encoding.

	* msdos.c (IT_write_glyphs): Adapt to new glyph type.

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2008-02-27  Chong Yidong  <cyd@stupidchicken.com>

	* process.c (wait_reading_process_output): Check for window
	changes caused by timers.
	Suggested by Johan Bockg,Ae(Brd.

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2008-02-27  Glenn Morris  <rgm@gnu.org>

	* emacs.c (USAGE1): Add `--disable-font-backend'.

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2008-02-27  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fileio.c (Finsert_file_contents): Don't reset undo_list if no change
	is made to the buffer.

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2008-02-26  Stefan Monnier  <monnier@iro.umontreal.ca>

	* dispextern.h (face_at_buffer_position, face_for_overlay_string)
	(face_at_string_position):
	* xfaces.c (face_at_buffer_position, face_for_overlay_string)
	(face_at_string_position):
	* xdisp.c (display_string, next_overlay_change):
	* buffer.h (overlays_at):
	* buffer.c (overlays_at): Use EMACS_INT for buffer positions.
	Update callers.

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2008-02-26  Chong Yidong  <cyd@stupidchicken.com>

	* editfns.c (Fformat): Doc fix.

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2008-02-26  Juanma Barranquero  <lekktu@gmail.com>

	* font.c (Ffont_spec, Ffont_at): Fix typos in docstrings.
	(Ffont_put, Flist_families, Ffont_fill_gstring, Ffont_drive_otf)
	(Ffont_otf_alternates, Fquery_font): Doc fixes.

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2008-02-25  Stefan Monnier  <monnier@iro.umontreal.ca>

	* buffer.c (Fbuffer_swap_text): New function.
	(syms_of_buffer): Defsubr it.

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2008-02-25  Chong Yidong  <cyd@stupidchicken.com>

	* keyboard.c (command_loop_1): Revert 2006-10-09 change.

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2008-02-25  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_draw): Draw one character at a time when padding.

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2008-02-25  Stefan Monnier  <monnier@iro.umontreal.ca>

	* window.c (Fdelete_window, Fadjust_window_trailing_edge):
	Handle a nil arg.  Use run_window_configuration_change_hook.
	(delete_window, adjust_window_trailing_edge): Don't handle nil any more.
	(Fenlarge_window, Fshrink_window, Fset_window_configuration):
	Use run_window_configuration_change_hook.

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2008-02-25  Kenichi Handa  <handa@ni.aist.go.jp>

	* xdisp.c (x_produce_glyphs): For a visible glyph, assure at least
	1-pixel width.

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2008-02-25  Kenichi Handa  <handa@ni.aist.go.jp>

	* xdisp.c (fill_glyph_string): Pay attention to glyph->padding_p.
	(append_glyph): Set glyph->pixel_width and glyph->padding_p to 1
	if the glyph in the font is zero pixel with.

	* dispextern.h (struct glyph_string): New member padding_p.

	* w32font.c (w32font_draw): Pay attention to s->padding_p.

	* ftxfont.c (ftxfont_draw): Pay attention to s->padding_p.

	* xfont.c (xfont_draw): Pay attention to s->padding_p.

	* xftfont.c (xftfont_draw): Pay attention to s->padding_p.

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	* font.c: If the font driver doesn't have `shape' function, return Qnil.
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2008-02-25  Jason Rumney  <jasonr@gnu.org>
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	* w32fns.c (enum_font_cb2): Don't use raster fonts for Unicode.
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2008-02-24  Stefan Monnier  <monnier@iro.umontreal.ca>

	Allow fine-grained image-cache flushing.
	* dispextern.h (struct image): Add `dependencies' field.
	(clear_image_caches): Change arg to Lisp_Object.
	* image.c (make_image): Initialize `dependencies' field.
	(clear_image_cache): Change arg to allow fine-grained flushing.
	Perform the flush even if image-cache-eviction-delay is nil.
	(clear_image_caches): Change arg to Lisp_Object.
	(Fclear_image_cache): Expand meaning of the argument.
	(mark_image): Mark `dependencies' field.
	* xfaces.c (clear_face_cache): Adapt arg to call to clear_image_caches.
	(lface_hash): Use XHASH rather than XFASTINT.
	(face_at_buffer_position): Fix int -> EMACS_INT position.
	* xdisp.c (next_overlay_change): Fix int -> EMACS_INT position.
	(select_frame_for_redisplay): Remove code duplication.
	(redisplay_internal): Adapt arg to call to clear_image_caches.

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2008-02-24  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/vms4-0.h:
	* s/vms4-2.h:
	* s/vms4-4.h:
	* s/vms5-5.h: Remove, unused.

	* s/irix5-2.h:
	* s/irix6-0.h:
	* s/riscos5.h:
	* s/mach-bsd4-3.h:
	* m/mips4.h: Remove files for obsolete systems

	* Makefile.in:
	* filelock.c:
	* unexmips.c:
	* m/hp9000s300.h:
	* m/iris4d.h:
	* s/aix3-1.h:
	* s/hpux.h:
	* s/msdos.h:
	* s/usg5-0.h:
	* s/usg5-2-2.h:
	* s/usg5-2.h:
	* s/usg5-3.h: Remove references to obsolete variables.

	* s/irix5-0.h: Remove, move all the contents ...
	* s/irix6-5.h: ... here.  Simplify.
	* config.in: Regenerate.

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	* w32term.c: (x_draw_glyph_string_background): Clear the background
	manually when cleartype is in use.
	(x_draw_glyph_string_foreground): Draw text transparently when
	cleartype is in use.

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	* w32font.c (w32font_text_extents): Avoid getting HDC and selecting
	a font into it unless we have to.

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2008-02-19  Stefan Monnier  <monnier@iro.umontreal.ca>
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	* intervals.h (INT_LISPLIKE): Remove.  It may misfire.
	(NULL_INTERVAL_P, SET_INTERVAL_PARENT): Don't use it.
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2008-02-18  Jason Rumney  <jasonr@gnu.org>
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	* w32fns.c (Fw32_shell_execute): Encode parameters.
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2008-02-09  Eli Zaretskii  <eliz@gnu.org>
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	* fileio.c (syms_of_fileio) <insert-default-directory>: Doc fix.
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2008-02-05  Juanma Barranquero  <lekktu@gmail.com>
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	* unexhp9k800.c (read_header): Replace `legal' with `valid'.
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2008-02-24  Ulrich Neumerkel  <ulrich@complang.tuwien.ac.at>  (tiny change)

	* xterm.c (x_set_offset): Don't change the gravity if
	CHANGE_GRAVITY is -1.

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2008-02-23  Chong Yidong  <cyd@stupidchicken.com>

	* fileio.c (auto_save_error_occurred): New var.
	(auto_save_error): Set it.
	(Fdo_auto_save): Don't overwrite the error message if an auto-save
	error occurred.

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2008-02-23  Eli Zaretskii  <eliz@gnu.org>

	* w32.c (globals_of_w32): Add initializations for
	g_b_init_get_sid_sub_authority and
	g_b_init_get_sid_sub_authority_count.

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2008-02-22  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* font.c (font_match_xlfd, font_check_xlfd_parse): New funs.
	(font_parse_xlfd): Use them for sanity check.
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	(Finternal_set_font_style_table): Make sure the table is bijective.
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	Consolidate the image_cache to the terminal struct.
	* termhooks.h (P_): Remove redundant def.
	(struct terminal): New field `image_cache'.
	* frame.h (FRAME_IMAGE_CACHE): New macro.  Use it everywhere in place
	of FRAME_X_IMAGE_CACHE.
	* xterm.h (struct x_display_info): Remove image_cache field.
	(FRAME_X_IMAGE_CACHE): Remove.  Use FRAME_IMAGE_CACHE instead.
	* w32term.h (struct w32_display_info): Remove image_cache field.
	(FRAME_X_IMAGE_CACHE): Remove.  Use FRAME_IMAGE_CACHE instead.
	* macterm.h (struct mac_display_info): Remove image_cache field.
	(FRAME_X_IMAGE_CACHE): Remove.  Use FRAME_IMAGE_CACHE instead.
	* xterm.c (x_term_init):
	* w32term.c (w32_term_init):
	* macterm.c (mac_term_init): Set the image_cache in the terminal.
	* dispextern.h (clear_image_cache, forall_images_in_image_cache):
	Remove declarations.
	(clear_image_caches, mark_image_cache): New declarations.
	* xfaces.c (clear_face_cache):
	* xdisp.c (redisplay_internal): Use clear_image_caches.
	* image.c (clear_image_cache): Don't check that a frame is on
	a window-system before checking if it shares the same cache.
	(clear_image_caches): New function.
	(Fclear_image_cache): Use it.
	(mark_image): Move from allo.c.
	(mark_image_cache): Move from alloc.c and forall_images_in_image_cache.
	* alloc.c (mark_image, mark_image_cache): Move to image.c.
	(mark_object): Don't call mark_image_cache for frames.
	(mark_terminals): Call mark_image_cache.

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	* lisp.h (Fdelete_terminal): Declare.

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	* charset.h (CHECK_CHARSET, CHECK_CHARSET_GET_ID)
	(CHECK_CHARSET_GET_ATTR): Don't use the inexistent return value of
	wrong_type_argument.

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2008-02-22  Kenichi Handa  <handa@ni.aist.go.jp>

	* Makefile.in (lisp): Remove devanagari.el, kannada.el,
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	malayalam.el, and tamil.el.  Add sinhala.el.
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2008-02-21  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xterm.c (x_connection_closed): Consolidate identical tests.
	(x_delete_terminal): Don't crash if called via x_connection_closed.

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2008-02-21  Kenichi Handa  <handa@ni.aist.go.jp>

	* xdisp.c (decode_mode_spec): New arg string.
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	(display_mode_element): Adjust for the above change.
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2008-02-19  Stefan Monnier  <monnier@iro.umontreal.ca>

	* callint.c (Fcall_interactively): Use AREF.

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2008-02-18  Stefan Monnier  <monnier@iro.umontreal.ca>

	* font.c (font_unparse_xlfd): Don't ignore integer pixel size specs.

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2008-02-18  Jan Dj$(Q)Z(Brv  <jan.h.d@swipnet.se>

	* xfns.c (Fx_show_tip): Set string to " " if empty.

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2008-02-17  Dan Nicolaescu  <dann@ics.uci.edu>

	* callint.c (syms_of_callint): Initialize Vmark_even_if_inactive
	with Qt.

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2008-02-17  Kenichi Handa  <handa@m17n.org>

	* ftfont.c (ftfont_shape): Return Lispy number.

	* xfaces.c (prepare_face_for_display): Use display_info->font->fid
	for GCs.
	(Finternal_set_font_selection_order): Call font_update_sort_order
	only when enable_font_backend is set.
	(realize_x_face): Set face->font_info to that of default face only
	when enable_font_backend is set.

	* xdisp.c (handle_composition_prop): Set it->c to the fist
	characte of the composed region.
	(fill_composite_glyph_string): Set base_face->font_info to
	s->font_info.  Get a face for ascii from base_face->ascii_face.
	(BUILD_COMPOSITE_GLYPH_STRING): Call fill_composite_glyph_string
	with a face already decided.
	(x_produce_glyphs): Be sure to set it->ascent and it->descent to
	non-negative.
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	(x_produce_glyphs): If the composition method is ..._WITH_GLYPH_STRING,
	call font_prepare_composition unconditionally.
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	* xfns.c (x_make_gc): Use the default font id of the frame for GCs.
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	* xterm.h (struct x_display_info): New member font.

	* xterm.c (x_set_cursor_gc): Use display_info->font->fid for GCs.
	(x_set_mouse_face_gc, x_new_font): Likewise.
	(x_term_init): Setup display_info->font.
	(x_delete_terminal): Free display_info->font.

	* xfont.c (xfont_draw): Use BLOCK_INPUT and UNBLOCK_INPUT.

	* ftxfont.c (ftxfont_default_fid): Delete it.
	(ftxfont_open): Set xfont->fid to 0.
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	(ftxfont_end_for_frame): Clear data specific to the frame and the
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	font-driver.

	* xftfont.c (xftfont_default_fid): Delete it.
	(xftfont_open): Set xfont->fid to 0.

	* fontset.c (FONTSET_OBJLIST): New macro.
	(fontset_find_font): Update font-object list of the fontset.
	(free_realized_fontset): New function.
	(free_face_fontset): Call free_realized_fontset.
	(Ffont_info): Call font_close_object only when enable_font_backend
	is set.

	* font.c [HAVE_X_WINDOWS]: Include xterm.h.
	[HAVE_NTGUI]: Include w32term.h.
	[MAC_OS]: Include macterm.ch.
	(font_otf_ValueRecord): Use make_number.
	(font_finish_cache): Fix handling of reference count.
	(font_clear_cache): Update num_fonts.
	(font_open_entity): Update smallest_char_width and
	smallest_font_height of the frame.
	(font_close_object): Update num_fonts.
	(Fclear_font_cache): Fix finding the target cache data.

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2008-02-16  Glenn Morris  <rgm@gnu.org>

	* fontset.c (Finternal_char_font): Fix compilation warning.

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2008-02-16  Eli Zaretskii  <eliz@gnu.org>

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	* w32.c (init_user_info): Use TOKEN_USER and TOKEN_PRIMARY_GROUP
	instead of char arrays.  Enlarge the size of array passed to
	get_token_information.

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	* font.c (Ffont_fill_gstring, Fget_font_glyphs): Fix compilation
	warnings.

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2008-02-15  Dan Nicolaescu  <dann@ics.uci.edu>

	* .gdbinit: Don't set `args', it breaks gdb --args.

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2008-02-14  Stefan Monnier  <monnier@iro.umontreal.ca>

	* fileio.c (Finsert_file_contents): Adjust offsets when replacing
	within a narrowed buffer.

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2008-02-14  Kenichi Handa  <handa@ni.aist.go.jp>

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	* coding.c (decode_coding_object, encode_coding_object):
	Preserve Vdeactivate_mark.  Delete unnecessary call of Fcurrent_buffer.
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2008-02-12  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* coding.c (coding_set_destination): Use BEG_BYTE rather than
	hardcoding 1.
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	(detect_coding_system):
	* lisp.h (detect_coding_system, chars_in_text, multibyte_chars_in_text)
	(string_char_to_byte, string_byte_to_char, insert_from_gap):
	* insdel.c (insert_from_gap):
	* fns.c (string_char_byte_cache_charpos, string_char_byte_cache_bytepos)
	(string_char_to_byte, string_byte_to_char, string_make_multibyte)
	(string_to_multibyte):
	* character.c (chars_in_text, multibyte_chars_in_text):
	* fileio.c (Finsert_file_contents): Use EMACS_INT for buffer positions.

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	* character.h (FETCH_STRING_CHAR_ADVANCE)
	(FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE)
	(FETCH_STRING_CHAR_ADVANCE_NO_CHECK): Use SDATA and SREF.
	(DEC_POS, BUF_DEC_POS): Use BEG_BYTE rather than hardcoding 1.

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	* casefiddle.c (casify_region): Only call after-change and composition
	functions on the part of the region that was changed.

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	* keyboard.c (read_avail_input):
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	* frame.c (Fdelete_frame): Call Fdelete_terminal.

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2008-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>

	* buffer.c (clone_per_buffer_values, reset_buffer_local_variables)
	(Fbuffer_local_value, Fbuffer_local_variables): Don't forget undo_list.

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2008-02-11  Juanma Barranquero  <lekktu@gmail.com>

	* w32menu.c (push_submenu_start, push_submenu_end)
	(push_left_right_boundary, push_menu_pane, push_menu_item):
	* keyboard.c (read_key_sequence): Don't pass args with side effects
	to AREF, it fails when compiling with -DENABLE_CHECKING.

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2008-02-11  Kenichi Handa  <handa@ni.aist.go.jp>

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	* Makefile.in (${lispsource}international/charprop.el):
	Delete this target.
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	* search.c (boyer_moore): Fix incorrect synching of the trunk and
	emacs-unicode-2.

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2008-02-11  Stefan Monnier  <monnier@iro.umontreal.ca>

	* terminal.c (Fdelete_terminal): Clean up the `force' path.

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2008-02-10  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* frame.c (Qnoelisp): New symbol.
	(syms_of_frame): Initialize it.
	(Fdelete_frame): Use it to distinguish a mere `force' passed from
	someharmles Elisp code, from a strong `force' from x_connection_closed.
	* frame.h (Qnoelisp): Declare.
	* xterm.c (x_connection_closed): Pass `noelisp'.

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	* lisp.h (struct Lisp_Misc_Any, struct Lisp_Marker)
	(struct Lisp_Overlay, struct Lisp_Kboard_Objfwd)
	(struct Lisp_Save_Value, struct Lisp_Free): Use enum Lisp_Misc_Type
	rather than `int' for the type of `type'.

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2008-02-10  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/gnu-linux.h: Remove support for non-ELF and linux-1.x.

	* Makefile.in (GNUC): Remove support for gcc-1.x.

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2008-02-10  Richard Stallman  <rms@gnu.org>

	* lisp.h (ASET): Use AREF, not ASLOT.

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2008-02-10  Stefan Monnier  <monnier@iro.umontreal.ca>

	* lisp.h (ASET): Check bounds.

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2008-02-10  Glenn Morris  <rgm@gnu.org>

	* buffer.c (mode-name): Doc fix.

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2008-02-09  Dan Nicolaescu  <dann@ics.uci.edu>

	* src/Makefile.in:
	* src/emacs.c:
	* src/gmalloc.c:
	* src/keyboard.c:
	* src/lisp.h:
	* src/m/ibm370aix.h:
	* src/process.c:
	* src/regex.c:
	* src/s/hpux.h:
	* src/sysdep.c:
	* src/sysselect.h:
	* src/systty.h:
	* src/unexec.c:
	* src/w32term.c:
	* src/xsmfns.c:
	* src/xterm.c: Remove code that deals with obsolete variables.

	* s/msdos.h (DONT_NEED_ENVIRON): Don't define.

	* ecrt0.c: Replace the DONT_NEED_ENVIRON test with MSDOS test,
	nothing else needs it anymore.

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2008-02-09  Eli Zaretskii  <eliz@gnu.org>

	* buffer.h (FETCH_CHAR_AS_MULTIBYTE): Use unibyte_to_multibyte_table
	instead of unibyte_char_to_multibyte.

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2008-02-09  Dan Nicolaescu  <dann@ics.uci.edu>

	* s/gnu-linux.h: Remove commented out code.

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	* unexec.c: Remove references to obsolete variable COFF_ENCAPSULATE.
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	* Makefile.in: Update what RMS says about using autoconf.
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	(C_COMPILER, COFF_ENCAPSULATE, MAKE_PARALLEL): Remove obsolete variable.
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	(C_SWITCH_MACHINE_1, C_SWITCH_SYSTEM_1, C_SWITCH_SITE_1):
	(C_SWITCH_X_SITE_1, C_SWITCH_X_MACHINE_1)
	(C_SWITCH_X_SYSTEM_1): Move invariant code outside conditional.

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2008-02-08  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* keymap.c (Fkey_description): Move side effect outside of macro call.

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	* xfaces.c (Finternal_make_lisp_face):
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	* keyboard.c (add_command_key, parse_menu_item): Use ASET.

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	* fontset.c (free_face_fontset): Use FONTSET_FROM_ID.
	(syms_of_fontset): Use ASET.

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	* fns.c (concat): Move side effect outside of macro call.
	(hash_clear): Use ASET.

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2008-02-08  Richard Stallman  <rms@gnu.org>

	* frame.c (Fdelete_frame): If FORCE, don't call hooks.
	If FORCE, and frame has a surrogate minibuffer for another frame,
	delete the other frame first.

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2008-02-07  Timo Savola  <timo.savola@iki.fi>
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	* xterm.c (x_detect_focus_change): Handle embed client message.
	(handle_one_xevent): Ditto.
	(handle_one_xevent): If embedded and we get a button press/release,
	request focus.
	(xembed_set_info, xembed_send_message): New functions.
	(x_make_frame_visible): Call xembed_set_info if embedded.
	(x_make_frame_invisible): Call xembed_set_info if embedded.
	(x_term_init): Initialize Xatom_XEMBED.
	(x_make_frame_visible): Check for FRAME_X_EMBEDDED_P also.
	(x_iconify_frame): Ditto.

	* xterm.h (struct x_display_info): Add AtomXatom_XEMBED.
	(enum xembed_info, enum xerm srmbed_message, enum xembed_focus)
	(enum xembed_modifier, enum xembed_accelerator): New.
	(xembed_set_info, xembed_send_message): Declare.
	(FRAME_X_EMBEDDED_P): New.

	* gtkutil.c (xg_create_frame_widgets): If frame is embedded, call
	gtk_plug_new.

	* xfns.c (Fx_create_frame): Do not override the explicitly set parent
	window ID of a frame.
	(x_window): Reparent frame if embedded.
	(Fx_create_frame): Don't set border width if embedded.

	* emacs.c (USAGE3): Add --parent-id
	(standard_args): Ditto.

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2008-02-07  Jan Dj,Ad(Brv  <jan.h.d@swipnet.se>

	* coding.c (DECODE_EMACS_MULE_COMPOSITION_CHAR): Use "do...while (0)".

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2008-02-07  Jim Meyering  <meyering@redhat.com>

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	Use "do...while (0)", not "if (1)..else" in macro definitions.
	The latter provokes a warning from gcc about the empty else, when
	followed by ";".  Also, without that trailing semicolon, it would
	silently swallow up any following statement.
	* syntax.h (SETUP_SYNTAX_TABLE):
	(SETUP_SYNTAX_TABLE_FOR_OBJECT): Likewise.
	* buffer.h (DECODE_POSITION): Likewise.
	* character.h (FETCH_STRING_CHAR_ADVANCE): Likewise.
	(FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE): Likewise.
	(FETCH_STRING_CHAR_ADVANCE_NO_CHECK): Likewise.
	(FETCH_CHAR_ADVANCE): Likewise.
	(FETCH_CHAR_ADVANCE_NO_CHECK): Likewise.
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2008-02-07  Jim Meyering  <meyering@redhat.com>

	* lread.c [lint]: Don't include <sys/inode.h>.

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2008-02-07  Stefan Monnier  <monnier@iro.umontreal.ca>

	* xselect.c (x_handle_dnd_message):
	* xmenu.c (digest_single_submenu, xmenu_show):
	* xdisp.c (with_echo_area_buffer_unwind_data)
	(format_mode_line_unwind_data, unwind_format_mode_line)
	(display_menu_bar):
	* eval.c (Ffetch_bytecode):
	* doc.c (store_function_docstring):
	* ccl.c (resolve_symbol_ccl_program, ccl_get_compiled_code)
	(Fccl_execute, Fccl_execute_on_string, Fregister_code_conversion_map):
	* buffer.c (add_overlay_mod_hooklist): Use ASET.

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2008-02-07  Kenichi Handa  <handa@m17n.org>

	* ftxfont.c (ftxfont_open): Don't set
	dpyinfo->smallest_font_height and dpyinfo->smallest_char_width to 0.

	* ftfont.c (ftfont_open): Fix previous change.

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2008-02-06  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_text_extents): Fill in lbearing metric.
	Use cached metrics for ASCII characters.
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	(w32font_open_internal): Don't set font's owning_frame.
	Cache metrics for ASCII characters.
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	* w32font.h (struct w32font_info): Add ascii_metrics.
	Remove owning_frame.

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2008-02-06  Kenichi Handa  <handa@ni.aist.go.jp>

	* xdisp.c (x_produce_glyphs): Don't set it->ascent and it->descent
	to negative value.

	* ftxfont.c (ftxfont_draw): Use s->font_info, not face->font_info.

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	* ftfont.c (ftfont_open): Fix calculation of font->font.average_width.
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	* charset.c (syms_of_charset): Set QCtest and Qeq.

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2008-02-06  Stefan Monnier  <monnier@iro.umontreal.ca>

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	* process.c (Fstart_process):
	* callproc.c (Fcall_process): Handle the case where
	Funhandled_file_name_directory returns nil.

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	* font.h (enum lgstring_indices, enum lglyph_indices): New enums.
	(LGSTRING_SLOT, LGSTRING_SET_SLOT): New macros.
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	* font.c (check_gstring): Use them and AREF to access the vector before
	we know it's really a gstring.
	(Ffont_shape_text): Fix typo.
	(Ffont_shape_text, Ffont_otf_alternates): Fix up int/Lisp_Oject mixups.
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	* composite.h (Fcompose_region_internal, Fcompose_string_internal):
	Declare.

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	* chartab.c (make_sub_char_table): Remove noop-yet-incorrect statement.

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2008-02-05  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_open_internal): Fill min_width with tmAveCharWidth.
	Set smallest_font_height and smallest_char_width in display info.

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2008-02-05  Kenichi Handa  <handa@ni.aist.go.jp>

	* coding.c (decode_eol): Pay attention to coding->dst_multibyte.

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2008-02-05  Miles Bader  <miles@gnu.org>

	* xfaces.c (get_lface_attributes, merge_named_face)
	(lookup_named_face, lookup_derived_face, realize_named_face):
	Revert 2008-02-01 change by cyd@stupidchicken.com.

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2008-02-04  Kenichi Handa  <handa@ni.aist.go.jp>

	* fontset.c (Ffontset_info): Handle the case of inhibitting the
	fallback fonts.
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	(Ffontset_info) [USE_FONT_BACKEND]: Fix getting of opened font names.
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2008-02-04  Jason Rumney  <jasonr@gnu.org>

	* w32font.c (w32font_open_internal): Use font_unparse_fcname to
	set full_name.
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	(w32font_open_internal): Use xmalloc, xrealloc, xfree.
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2008-02-03  Jason Rumney  <jasonr@gnu.org>

	* makefile.w32-in (OBJ1): Include font.o here.
	(FONTOBJ) [USE_FONTBACKEND]: Instead of here.

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2008-02-02  Jason Rumney  <jasonr@gnu.org>

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	* makefile.w32-in (temacs): Bump EMHEAP to 21.
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2008-02-01  Jason Rumney  <jasonr@gnu.org>

	* s/cygwin.h: Define VIRT_ADDR_VARIES.

	* puresize.h [VIRT_ADDR_VARIES]: Don't include CYGWIN in condition.

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2008-02-01  Andreas Schwab  <schwab@suse.de>

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	* Makefile.in (shortlisp, lisp): Update for rename of
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	../lisp/language/myanmar.el.

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2008-02-01  Chong Yidong  <cyd@stupidchicken.com>

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	* xfaces.c (get_lface_attributes): Delete function.
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	(merge_named_face, lookup_named_face, lookup_derived_face)
	(realize_named_face): Call lface_from_face_name directly, and use
	the fact that merge_face_vectors does not alter its FROM argument.

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	* w32term.c (w32_read_socket) <WM_CHAR>: Decode non-Unicode
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	input in the default locale.  Handle non-Unicode multibyte input.
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2008-02-01  Kenichi Handa  <handa@ni.aist.go.jp>
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	* fontset.c (reorder_font_vector): Exclude nil elements from the
	font group.  Don't try multiple fonts.
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	(fontset_font): Adjust for the above change.
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	(Finternal_char_font): Return nil if the found font doesn't
	contain the character ch.

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	* Makefile.in (lisp, shortlisp): Add cham.el.
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	* font.h (FONTP): Make it return 1 also for a font-object.

	* .gdbinit (xfontset): New function.

	* font.c (font_find_for_lface): Check if the character C is
	supported or not only for the first font.

	* fontset.c (reorder_font_vector): Fix typo.
	(fontset_find_font): Don't add a font-spec specifying a script.
	Use 0 (not Qt) for the indication of empty font-group.  Change the
	format of RFONT-DEF.  Return Qt if no font in the font-group
	support the character.
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	(fontset_font): Adjust for the above change.  If no font was
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	found the character, remember that.
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	(face_for_char): Adjust for the change of RFONT-DEF.
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	(Fset_fontset_font): Allow nil for FONT-SPEC to explicitly specify
	no font for the target.
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	(Finternal_char_font): Adjust for the change of RFONT-DEF.
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	* font.c (font_load_for_face): Handle the case that the font in
	face->lface is a string.

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	* xfaces.c (set_lface_from_font_and_fontset): Set the fontname in lface.
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	* xfaces.c (Finternal_set_lisp_face_attribute) [USE_FONT_BACKEND]:
	Fix previous change.  If the frame is not on a window system,
	signal an error.

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2008-02-01  Kenichi Handa  <handa@ni.aist.go.jp>
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	* coding.c (decode_coding_object, encode_coding_object): Adjust
	marker positions after conversion.
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	* lisp.h (struct Lisp_Marker): New member need_adjustment.

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	* font.c (font_find_for_lface): Fix the handling of the return
	value of font_has_char.
	(Ffont_shape_text): Fix previous change.

	* fontset.c (FONTSET_REF_AND_RANGE): Delete it.
	(fontset_ref_and_range): Delete it.
	(fontset_find_font): Call char_table_ref_and_range instead of
	FONTSET_REF_AND_RANGE.
	(make_fontset): Don't setup font groups of Latin here.
	(Fset_fontset_font): Don't overwrite the setting of FONTSET_ASCII.
	(new_fontset_from_font): Make the specified font the default for
	all Latin characters.

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	* xfaces.c (Finternal_set_lisp_face_attribute): Check if the frame
	is on a window system before accessing the fontset of the frame.

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2008-02-01  Kenichi Handa  <handa@ni.aist.go.jp>
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	* Makefile.in (lisp, shortlisp): Add kherm.el and myanmar.el.
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	* ftfont.c (ftfont_driver): Set ftfont_shape in ftfont_driver only
	when both HAVE_M17N_FLT and HAVE_LIBOTF are defined.

	* font.c (Ffont_shape_text): If the font driver doesn't have a
	shaper function, make zero-width glyphs to have at least one-pixel
	width.  Fix setting of `to' field of glyphs.

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	* ftfont.c (ftfont_drive_otf): Fix setting of FROM and TO slots of
	glyphs.

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	* font.h (struct font_driver): Improve docstring of member `shape'.
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2008-02-01  Kenichi Handa  <handa@m17n.org>
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	* composite.c (syms_of_composite): Fix docstring of
	auto-composition-function.

	* font.h (LGLYPH_SIZE): New macro.

	* font.c (Ffont_fill_gstring): Stop filling when a character not
	supported by the font is found.
	(Ffont_shape_text): When a shape callback function returns nil,
	try at most two more times with larger gstring.
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	(Ffont_at): Fix getting of w.  Call font_at with correct 5th argument.
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	* xdisp.c (handle_auto_composed_prop): Change the argument to
	auto-composition-function.

	* ftfont.c (ftfont_encode_char): Use the macro FONT_INVALID_CODE.
	(ftfont_shape_by_flt): If an element of lgstring is nil, make a
	Lispy glyph and store it in the lgstring.

	* xfont.c (xfont_encode_char): Use the macro FONT_INVALID_CODE.

	* xftfont.c (xftfont_encode_char): Use the macro FONT_INVALID_CODE.

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	* font.c (Ffont_shape_text): Avoid unnecessary composition.

	* fontset.c (Vfont_encoding_charset_alist): New variable.
	(syms_of_fontset): DEFVAR it.
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	(reorder_font_vector, fontset_find_font): Optimize for the case of
	no need of reordering.
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	(face_for_char): Map the charset property by
	Vfont_encoding_charset_alist.

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	* w32font.c (logfonts_match): Don't check adstyle here.
	(font_matches_spec): Check here against physical font instead.
	(add_font_entity_to_list): Avoid some substitutions.

	* font.c (font_parse_fcname): Default weight and slant to normal.
	(font_score): Prefer normal fonts if weight or slant unspecified.
	(font_score) [WINDOWSNT]: Scale weight difference down to closer
	match freetype scores.

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	* w32font.c (w32font_text_extents): Don't use the frame stored in the
	font, as it may have been deleted.
	(w32_enumfont_pattern_entity): Map generic family to adstyle using
	most common hyphenless variation.
	(logfonts_match): Check generic family.
	(font_matches_spec): Don't check generic family here.
	(fill_in_logfont): Set generic family based on adstyle.

	* w32font.h (w32font_get_cache): Update declaration.

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	* ftfont.c (ftfont_get_cache): Adjust the argument type.

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	* frame.c (x_set_font_backend): Don't call Fclear_font_cache.
	If none of the new drivers are available, call font_update_drviers
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	with the old drivers.

	* w32font.c (w32font_get_cache): Adjust the argument type.

	* xfont.c (xfont_get_cache): Adjust the argument type.

	* font.h (struct font_driver): Change argument type of get_cache.

	* xftfont.c (xftfont_start_for_frame): Delete prototype.

	* font.c (Ffont_get): Fix arguments to Fassoc.
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	(font_prepare_cache, font_finish_cache, font_get_cache): New functions.
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	(font_clear_cache): New function.
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	(font_list_entities, font_matching_entity): Use font_get_cache.
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	(font_update_drivers): Call font_clear_cache when finishing a driver.
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	* fontset.c (fontset_find_font): Fix previous change.

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	* xterm.c (x_check_font) [USE_FONT_BACKEND]: Don't access
	dpyinfo->font_table.
	(x_delete_display) [USE_FONT_BACKEND]: Likewise.
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	(x_delete_terminal) [USE_FONT_BACKEND]: Likewise.
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	* font.c (font_at): Handle the case that the arg C is negative.
	Handle the unibyte case.
	(Ffont_at): Call font_at with the arg C -1.

	* xdisp.c (handle_auto_composed_prop): Don't get a character at
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	the position here, and call font_at with the arg C -1.
	Don't check the range of the existing composition at the point.
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	* fontset.c (fontset_add): New args charset_id and family.
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	Change caller.
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	(load_font_get_repertory, fontset_find_font): Assume that
	font_spec is always a font-spec object.
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	(Fset_fontset_font): Always store a font-spec object in a fontset.

	* xdisp.c (handle_auto_composed_prop): Use Fget_text_property
	instead of get_property_and_range.

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	* xftfont.c (struct xftfont_info): Delete the member ft_face.
	(xftfont_open): Don't keep locking face.
	(xftfont_close): Don't unlock face.
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	(xftfont_anchor_point, xftfont_shape): Lock and unlock face.
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	* fontset.c (fontset_find_font): Don't prefer a font of
	supplementary charset.

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	* ftfont.c (struct OpenTypeSpec): Rename members script_tag to
	script, langsys_tag to langsys, new member script.
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	(OTF_TAG_STR): Terminate by '\0'.
	(ftfont_get_open_type_spec): If :otf prop is is spec, Limit the
	listing to the script specified in that property.  Fix arg to
	OTF_check_features.

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	* w32font.h: New file.

	* w32font.c: Include it.
	(struct w32font_info): Add owning_frame field.  Move to w32font.h.
	(w32font_open): Set owning_frame.
	(w32font_text_extents): Use owning_frame.
	(struct font_callback_data): Add opentype_only field.
	(add_font_entity_to_list): Use it to filter fonts.
	Don't check against full name.
	(w32font_list_internal): New function.
	(w32font_list): Use it.
	(w32font_match_internal): New function.
	(w32font_match): Use it.
	(w32font_open_internal): New function.
	(w32font_open): Use it.
	(w32font_get_cache, w32font_close, w32font_has_char)
	(w32font_encode_char, w32font_text_extents, w32font_draw):
	Make non-static.

	* makefile.w32-in (w32font.o): Depend on w32font.h.

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	* charset.c (Fdefine_charset_internal): Record a supplementary
	charset at the tail of Vcharset_order_list.

	* font.c (Ffont_shape_text): Fix the return value.

	* ftfont.c (OTF_SYM_TAG, OTF_TAG_STR): Fix argument names.

	* xdisp.c (handle_auto_composed_prop): Fix previous change.

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	* ftfont.c (struct OpenTypeSpec): New struct.
	(OTF_SYM_TAG, OTF_TAG_STR): New macros.
	(ftfont_get_open_type_spec): New function.
	(ftfont_list) [HAVE_LIBOTF]: Check otf-spec property.

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	* lread.c (read1): Redo the previous change with checking Vpurify_flag.
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	* w32font.c (add_font_entity_to_list): Compare only the beginning
	of full name.

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	* xdisp.c (handle_auto_composed_prop): Simplify the code.
	Never return HANDLED_RECOMPUTE_PROPS.
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	* font.c (font_gstring_produce): Delete it.

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	* composite.h (COMPOSITION_METHOD):
	Handle COMPOSITION_WITH_GLYPH_STRING.
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	* xfont.c (Qx): Delete.
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	(syms_of_xfont): Don't initialize Qx.

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	* composite.h (enum composition_method):
	Define COMPOSITION_WITH_GLYPH_STRING unconditionally.
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	* xfaces.c [HAVE_WINDOW_SYSTEM]: Include "font.h" unconditionally.
	(choose_face_font): Accept new form of font-spec.

	* frame.h (font_driver_list): Declare it unconditionally.
	(struct frame): Define members font_driver_list and font_data_list
	unconditionally.

	* fontset.c: Include "font.h" unconditionally.
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	(generate_ascii_font_name): Use font_parse_xlfd and font_unparse_xlfd.
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	(Fset_fontset_font): Accept a font-spec object.

	* font.c (font_unparse_xlfd): If pixel_size is zero, make the
	PIXEL_SIZE part a wild card.

	* dispextern.h (struct glyph_string): Define members clip and
	num_clips unconditionally.
	(struct face): Define members font_info and extra unconditionally.

	* ftfont.c (ftfont_open): Set members maybe_otf and otf of
	ftfont_info only when HAVE_LIBOTF is defined.

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	* xdisp.c (back_to_previous_visible_line_start): Fix type of beg
	and end.

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	* w32font.c (w32font_driver): Add new fields.

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	* Makefile.in (ALL_CFLAGS): Add @M17N_FLT_CFLAGS@.
	(FONTSRC, FONTOBJ) [HAVE_WINDOW_SYSTEM]: Set them unconditionally.
	(LIBES): Add @M17N_FLT_CFLAGS@.

	* composite.c (compose_text): Don't treat the new style
	composition specially.

	* emacs.c (main): Call syms_of_font unconditionally.

	* font.h (FONT_ENTITY_NOT_LOADABLE)
	(FONT_ENTITY_SET_NOT_LOADABLE): New macros.
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	(LGSTRING_XXXX, LGLYPH_XXX): Adjust for the change of lispy gstring.
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	(struct font_driver): New member shape.
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	(font_registry_charsets): Extern it.
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	(font_find_for_lface, font_prepare_composition): Adjust prototype.
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	(font_otf_capability, font_drive_otf): Delete their externs.

	* font.c [HAVE_M17N_FLT]: Include <m17n-flt.h>.
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	(font_charset_alist, font_registry_charsets): Move from xfont.c
	and rename.
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	(font_prop_validate_otf): New function.
	(font_property_table): Register it for QCotf.
	(DEVICE_DELTA, adjust_anchor, REPLACEMENT_CHARACTER)
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	(font_drive_otf): Delete.
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	(font_prepare_composition): New arg F.  Adjust for the change of
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	lispy gstring.
	(font_find_for_lface): New arg C.
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	(font_load_for_face): Adjust for the change of font_find_for_lface.
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	(Ffont_make_gstring, Ffont_fill_gstring): Adjust for the change of
	lispy gstring.
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	(Ffont_shape_text): New function.
	(Fopen_font): If the font size is not given, use 12-pixel.
	(Ffont_at): New arg STRING.
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	(syms_of_font): Initalize font_charset_alist.
	Declare Ffont_shape_text as a Lisp function.  Call syms_of_XXfont
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	conditionally.

	* fontset.c (fontset_find_font) [USE_FONT_BACKEND]: Try multiple
	fonts of the same font-spec.  Change the format of RFONT-DEF.
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	(face_for_char, make_fontset_for_ascii_face, Finternal_char_font):
	Adjust for the change of RFONT-DEF.
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	(Fset_fontset_font) [USE_FONT_BACKEND]: Handle new format of font-spec.
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	* ftfont.h: New file.

	* ftfont.c: Don't include Freetype headers.  Include "ftfont.h".
	(struct ftfont_info) [HAVE_LIBOTF]: New members maybe_otf and otf.
	(ftfont_open) [HAVE_LIBOTF]: Initialize the above members.
	(ftfont_driver) [HAVE_LIBOTF, HAVE_M17N_FLT]: Don't set
	font_otf_capability and font_drive_otf, set ftfont_shape.
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	(ftfont_list): Adjust for the change of :otf property value.
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	(struct MFLTFontFT) [HAVE_LIBOTF, HAVE_M17N_FLT]: New struct.
	(ftfont_get_glyph_id, ftfont_get_metrics, ftfont_check_otf)
	(adjust_anchor, ftfont_drive_otf, ftfont_shape_by_flt)
	(ftfont_shape) [HAVE_LIBOTF, HAVE_M17N_FLT]: New function.s
	(DEVICE_DELTA) [HAVE_LIBOTF, HAVE_M17N_FLT]: New macro.
	(otf_gstring, gstring, m17n_flt_initialized): New variables.

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	* w32term.c (x_draw_composite_glyph_string_foreground):
	Adjust for the change of lispy gstring.
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	* xdisp.c (handle_composition_prop): Adjust for the change of
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	lispy gstring.  Call a function for auto-composition with the
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	third arg it->window.
	(fill_composite_glyph_string): Adjust for the change of lispy string.
	(x_produce_glyphs): Adjust for the change of font_prepare_compositionl.
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	* xfaces.c (set_font_frame_param): Adjust for the change of
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	font_find_for_lface.

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	* xfont.c (x_font_charset_alist): Move to font.c and rename.
	(xfont_registry_charsets): Likewise.  Change caller.
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	(syms_of_xfont): Don't handle x_font_charset_alist.

	* xftfont.c: Include "ftfont.h".
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	(struct xftfont_info) [HAVE_LIBOTF]: New members maybe_otf and otf.
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	(xftfont_open) [HAVE_LIBOTF]: Initialize the above members.
	(xftfont_close) [HAVE_LIBOTF]: Close otf.
	(xftfont_shape) [HAVE_LIBOTF, HAVE_M17N_FLT]: New function.
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	(syms_of_xftfont) [HAVE_LIBOTF, HAVE_M17N_FLT]:
	Set xftfont_driver.shape to xftfont_shape.
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	* xterm.c (x_draw_composite_glyph_string_foreground): Adjust for
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	the change of lispy gstring.

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	* ftxfont.c (ftxfont_end_for_frame): Fix array indexing error.

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	* w32font.c (w32font_draw): Fill background manually.

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	* font.c (Qfontp): Remove unused symbol.
	(QCantialias): New symbol.
	(syms_of_font): Define it.
	(font_property_table): Set a validator for QCantialias.

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	* w32font.c (CLEARTYPE_QUALITY, CLEARTYPE_NATURAL_QUALITY):
	Define if not already.
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	(QCfamily): Share with xfaces.c.
	(Qstandard, Qsubpixel, Qnatural): New symbols.
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	(syms_of_w32font): Define them.  Don't define QCfamily here.
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	(w32_antialias_type, lispy_antialias_type): New functions.
	(w32_enumfont_pattern_entity): New arg requested_font.
	Set antialias parameter if non-default was requested.
	(fill_in_logfont): Fill in lfQuality if :antialias specified.

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	* lread.c (read1): Undo the previous change.

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2008-02-01  CHENG Gao  <chenggao@gmail.com>  (tiny change)
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	* frame.c (Fdelete_frame): Call font_update_drivers only when
	USE_FONT_BACKEND is defined..

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	* font.h (struct font_bitmap): New member bits_per_pixel.
	(struct font_driver): New members start_for_frame and end_for_frame.
	(struct font_data_list): New struct.
	(font_put_frame_data, font_get_frame_data): Extern them.

	* frame.h (struct frame): New member font_data_list.

	* font.c (font_update_drivers): Call driver->start_for_frame and
	driver->end_for_frame at proper timings.
	(font_put_frame_data, font_get_frame_data): New functions.
	(Ffont_spec): Add usage in the docstring.

	* frame.c (make_frame): Initialize f->font_data_list to NULL.
	(Fdelete_frame): Call font_update_drivers.

	* xftfont.c (struct xftface_info): Delete the member xft_draw.
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	(xftfont_prepare_face, xftfont_done_face): Adjust for the above change.
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	(xftfont_get_xft_draw): New function.
	(xftfont_draw): Get XftDraw by xftfont_get_xft_draw.
	(xftfont_end_for_frame): New function.
	(syms_of_xftfont): Set xftfont_driver.end_for_frame.

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	* ftxfont.c (ftxfont_get_gcs): Rename from ftxfont_create_gcs.
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	Change argument.  Cache GCs in the per-frame data.
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	(struct ftxfont_frame_data): New struct.
	(ftxfont_draw_bitmap): New arg gc_fore and flush.
	(ftxfont_prepare_face, ftxfont_done_face): Delete them.
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	(ftxfont_draw): Get GCs by ftxfont_get_gcs.  Reflect s->clip in GCs.
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	(ftxfont_end_for_frame): New function.
	(syms_of_ftxfont): Set ftxfont_driver.end_for_frame.

	* ftfont.c (ftfont_get_bitmap): Set bitmap->bits_per_pixel.

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